HT7333

Low Dropout (LDO) Regulator

The HT7333 is a low dropout (ldo) regulator from UMW. View the full HT7333 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official HT7333 datasheet (PDF) — the source this page was extracted from.

Manufacturer

UMW

HT7333 Key Specifications

Parameter	Value
Output voltage accuracy	±3%
Quiescent current	2 μA (typ.), 3 μA (max) (V IN =3.5V, No Load)
Output voltage (HT7350-A)	5.0 V (typ.) (V IN =6V, I OUT =40mA)
Output current (HT7350-A)	250 mA (min) (V IN =6V, I OUT ≥4.5V)
Dropout voltage (HT7350-A)	60 mV (typ.) (I OUT =40mA)
Load regulation	45 mV (typ.), 90 mV (max) (V IN =3.5V, 1mA≤I OUT ≤60mA)
Line regulation	0.2 %/V (typ.), 0.3 %/V (max) (3.5V≤V IN ≤12V, I OUT =40mA)
Temperature coefficient	±0.7 mV/°C (typ.) (V IN =3.5V, I OUT =40mA, 0°C≤T A ≤85°C)

HT7333 Overview

Part: HT73xx-A series — UMW

Type: Low Power Consumption LDO (Low Dropout) Voltage Regulator

Description: The HT73xx-A series are three-terminal, low power, high voltage CMOS linear regulators featuring an ultra-low quiescent current of 2.0 μA (typ.) and supporting input voltages up to 12V, with fixed output voltages ranging from 2.5V to 5.0V.

Operating Conditions:

Supply voltage: 3.5–12 V
Operating temperature: -25 to 70 °C
Output voltage range: 2.5V to 5.0V

Absolute Maximum Ratings:

Max supply voltage: 15 V
Max junction temperature: 125 °C

Key Specs:

Output voltage accuracy: ±3%
Quiescent current: 2 μA (typ.), 3 μA (max) (V IN =3.5V, No Load)
Output voltage (HT7350-A): 5.0 V (typ.) (V IN =6V, I OUT =40mA)
Output current (HT7350-A): 250 mA (min) (V IN =6V, I OUT ≥4.5V)
Dropout voltage (HT7350-A): 60 mV (typ.) (I OUT =40mA)
Load regulation: 45 mV (typ.), 90 mV (max) (V IN =3.5V, 1mA≤I OUT ≤60mA)
Line regulation: 0.2 %/V (typ.), 0.3 %/V (max) (3.5V≤V IN ≤12V, I OUT =40mA)
Temperature coefficient: ±0.7 mV/°C (typ.) (V IN =3.5V, I OUT =40mA, 0°C≤T A ≤85°C)

Features:

Ultra low quiescent current: 2.0μA (typ.)
High input voltage (up to 12V)
Output voltage accuracy: tolerance ±3%
Low dropout voltage
Package form: SOT-23, SOT-89, TO-92

Applications:

Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for LAN cards
Wireless Communication equipment
Audio/Video equipment

Package:

SOT-23
SOT-89
TO-92

HT7333 Features

Ultra low quiescent current: 2.0μA (typ.)
High input voltage (up to 12V)
Output voltage accuracy: tolerance ±3%
Low dropout voltage
Package form:SOT-23,SOT-89,TO-92

HT7333 Applications

Battery-powered equipment
Voltage regulator for microprocessor
Voltage regulator for LAN cards
Wireless Communication equipment
Audio/Video equipment

Low Power Consumption LDO

HT7333 Electrical Characteristics

(TA=25°C, voltages are referenced to GND, unless otherwise specified)

Parameter	Symbol	Conditions	Min	Typ	Max	Units
Output Voltage	V OUT	V IN =3.5V, I OUT =40mA	2.425	2.5	2.575	V
Output Current	I OUT	V IN =3.5V, I OUT ≥2.25V	180			mA
Load Regulation	ΔV OUT	V IN =3.5V, 1mA≤I OUT ≤60mA		45	90	mV
Drop Voltage	V DIF	I OUT =40mA		110		mV
Quiescent Current	I SS	V IN =3.5V, No Load		2	3	μA
Line Regulation	ΔV OUT /(ΔV IN *V OUT )	3.5V≤V IN ≤12V, I OUT =40mA		0.2	0.3	%/V
Input Voltage	V IN				12	V
Temperature Coefficient	ΔV OUT /ΔT A	V IN =3.5V,I OUT =40mA,0°C≤T A ≤85°C		±0.7		mV/°C

Low Power Consumption LDO

HT7333 Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage Range	V IN	-0.5	15	V
Consumption power	P D	-	400	mW
Junction Temperature	T J	-50	125	°C
Operating Temperature	T OP	-25	70	°C

Absolute maximum ratings are those values beyond which the device could be permanently damaged,These are stress ratings only,which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions.

HT7333 Typical Application

Low Power Consumption LDO

HT7333 Package Information

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
HT7325-A	UMW	SOT-23
HT7327-A	UMW	SOT-89
HT7330-A	UMW	SOT-89
HT7333-A	UMW	—
HT7336-A	UMW	SOT-89
HT7340-A	UMW	SOT-89
HT7344-A	UMW	SOT-89
HT7350-A	UMW	SOT-89

Other Linear Regulators (LDO)

LP5907MFX-3.3/NOPB – Texas Instruments, Low-Noise, Low-IQ LDO
AP7343D-30FS4-7B – Diodes Incorporated, 300mA High PSRR Low-Noise LDO
MC78M12ACDTRKG – onsemi, Positive Voltage Regulator
LM317 – Texas Instruments, Adjustable Regulator
ME6211C33M5G-N – Nanjing Micro One, High PSRR Low-Noise CMOS LDO Regulator
R1191L – Nisshinbo, LDO Regulator
RT9080-33GJ5 – Richtek USA Inc., Low-Dropout Linear Regulator
AAT3221IGV-3.3-T1 – Skyworks Solutions, LDO Linear Regulator

All Linear Regulators (LDO) datasheets All UMW datasheets (36)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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